# ages=[21,25,21,23,22,20]
# ages.append(31)
# new_=[29,33,30]
# ages.extend(new_)
# print(ages)
# print(ages[0])
# print(ages[-1])
# index=ages.index(31)
# print(index)
# print(ages[index])
#
# i=0
# while i<len(ages):
#     print(ages[i],end='')
#     i+=1
#
# print("-------------------")
# for j in range(0,len(ages)):
#     print(ages[j],end='')
#     j+=1
#
# print()
#
# nums=[1,2,3,4,5,6,7,8,9,10]
# newnums=[]
# for i in range(0,len(nums)):
#     if nums[i]%2==0:
#         newnums.append(nums[i])
# for i in newnums:
#     print(i)
#
# stu=('zjl',11,['football','music'])
# indexage=stu.index(11)
# print(indexage)
# print(stu[0])
# stu[2][0]=None
# stu[2].append("coding")
# print(stu)

# old ="12313  sidjf oid2131 3 343"
# new =old.strip("13")
# print(new)
# print(old.count("13"))
# new1=old.replace(" ","|")
# print(new1)
# newlist=old.split("|")
# for i in newlist:
#     print(i)

name="hank"
name1=name
print(f"{name}+{name1}")
set={12,12,12,23,452,24,44}
set1=set
print(f"{set}+{set1}")